The Ideas C9381 wave quilting ruler is a special template designed to create quilt embroidery with wavy lines and flowing garlands on your sewing machine. Made of clear acrylic of a thickness suitable for guiding the free-motion quilting foot, it features raised curved edges with varying wave amplitudes. It allows the fabric to glide smoothly while following the ruler's edge, ensuring a uniform wavy pattern across the entire surface of the quilt or cushion. It is the perfect tool for adding professional finishes and decorative textures to quilting projects.